最近一直在搞android上传图片、视频、文件，服务端使用wcf接收，本文对调试中的遇到的问题进行记录。
首先android上传一些小图片是比较容易的一天下来差不多就能调试出来，但是上传一些大的文件时就出现各种问题，包括wcf默认支持64k的文件，后来大图片可以上传了，但是传视频又有问题，上传的视频打不开，经过努力google最后问题终于解决了。作者kwstu QQ806693619
以下是调试代码：原文链接：http://www.kwstu.com/ArticleView/kwstu_2013327194830639
一、Android:
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package com.kwstu.palmjn;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.InputStreamEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ImageView;
public class UpladeActivity extends Activity {
private Button update_btn;
private ImageView img_img;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.uploadactivity);
findAll();
bind();
}
public void findAll() {
update_btn = (Button) this.findViewById(R.id.update_btn);
img_img = (ImageView) this.findViewById(R.id.img_img);
}
public void bind() {
update_btn.setOnClickListener(mylistener);
}
private View.OnClickListener mylistener = new OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
switch (v.getId()) {
case R.id.update_btn:
Thread th1 = new Thread(new mythread());
th1.start();
break;
default:
break;
}
}
};
Handler hd = new Handler() {
@Override
public void handleMessage(Message msg) {
// TODO Auto-generated method stub
// super.handleMessage(msg);
if (msg.what == 123) {
String jason = msg.obj.toString();
String filepath = Environment.getExternalStorageDirectory()
+ File.separator + jason;
Bitmap bitmap1 = BitmapFactory.decodeFile(filepath);
img_img.setImageBitmap(bitmap1);
}
}
};
class mythread implements Runnable {
public void run() {
// TODO Auto-generated method stub
HttpClient hc = new DefaultHttpClient();
HttpPost hp = new HttpPost(wcf地址);
HttpResponse hr;
InputStreamEntity reqEntity;
String path = 上传文件路径;
File f = new File(path);
if (f.exists()) {
System.out.println("successful");
try {
reqEntity = new InputStreamEntity(new FileInputStream(path), -1);
reqEntity.setContentType("binary/octet-stream");
reqEntity.setChunked(true); // Send in multiple parts if needed
hp.setEntity(reqEntity);
System.out.println("4");
HttpResponse response = hc.execute(hp);
System.out.println("5");
} catch (ClientProtocolException e) {
// TODO Auto-generated catch block
System.out.println(e.getMessage());
//e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
//e.printStackTrace();
System.out.println(e.getMessage());
}
}
}
}
} |
Wcf代码：
接口
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[OperationContract][WebInvoke(BodyStyle = WebMessageBodyStyle.WrappedRequest, RequestFormat = WebMessageFormat.Json, ResponseFormat = WebMessageFormat.Json)]string update_pictrue(Stream getStream); |
实现
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public string update_pictrue(Stream getStream)
{
Console.WriteLine("setData service has bean started!");
string uploadFolder = @"C:\kkk\";
string savaPath = "sss";
//string dateString = DateTime.Now.ToShortDateString() + @"\";
string fileName ="ddd.mp4";
//Stream sourceStream = request.FileData;
FileStream targetStream = null;
if (!getStream.CanRead)
{
throw new Exception("数据流不可读!");
}
if (savaPath == null) savaPath = @"Photo\";
if (!savaPath.EndsWith("\\")) savaPath += "\\";
uploadFolder = uploadFolder + savaPath; //+ dateString;
if (!Directory.Exists(uploadFolder))
{
Directory.CreateDirectory(uploadFolder);
}
string filePath = Path.Combine(uploadFolder, fileName);
using (targetStream = new FileStream(filePath, FileMode.Create, FileAccess.Write, FileShare.None))
{
//read from the input stream in 4K chunks
//and save to output stream
const int bufferLen = 4096;
byte[] buffer = new byte[bufferLen];
int count = 0;
while ((count = getStream.Read(buffer, 0, bufferLen)) > 0)
{
targetStream.Write(buffer, 0, count);
}
targetStream.Close();
getStream.Close();
}
return "";
}
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配置很重要必须支持大文件上传
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<?xml version="1.0"?>
<configuration> <system.serviceModel>
<behaviors>
<serviceBehaviors>
<behavior name="Host.ServiceBehavior">
<serviceMetadata httpGetEnabled="true"/>
<serviceDebug includeExceptionDetailInFaults="false"/>
<dataContractSerializer maxItemsInObjectGraph="2147483647"/>
</behavior>
</serviceBehaviors>
<endpointBehaviors>
<behavior name="json">
<enableWebScript />
</behavior>
</endpointBehaviors>
</behaviors>
<services>
<service name="Host.Service" behaviorConfiguration="Host.ServiceBehavior">
<endpoint binding="webHttpBinding" contract="Host.IService" behaviorConfiguration="json" bindingConfiguration="LargeBuffer">
<identity>
<dns value="localhost"/>
</identity>
</endpoint>
<endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange"/>
<host>
<baseAddresses>
</baseAddresses>
</host>
</service>
</services>
<bindings>
<webHttpBinding>
<binding name="LargeBuffer"
maxBufferSize="2147483647" maxReceivedMessageSize="2147483647">
<readerQuotas
maxStringContentLength="2147483647" maxArrayLength="2147483647"/>
<security mode="None"></security>
</binding>
</webHttpBinding>
</bindings>
</system.serviceModel>
<system.webServer>
<modules runAllManagedModulesForAllRequests="true"/>
</system.webServer>
<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/></startup></configuration>
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